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4006056231 = 33148372453
BaseRepresentation
bin1110111011000111…
…1001000100100111
3101100012002202001000
43232301321010213
531201022244411
61501303404343
7201162626142
oct35661710447
911305082030
104006056231
111776350381
129397536b3
134bac62198
142a008d059
15186a6e956
hexeec79127

4006056231 has 8 divisors (see below), whose sum is σ = 5934898160. Its totient is φ = 2670704136.

The previous prime is 4006056221. The next prime is 4006056247. The reversal of 4006056231 is 1326506004.

4006056231 is a `hidden beast` number, since 40 + 0 + 60 + 562 + 3 + 1 = 666.

It is not a de Polignac number, because 4006056231 - 25 = 4006056199 is a prime.

It is a super-2 number, since 2×40060562312 = 32096973051867850722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 148372453 = 4006056231 / (4 + 0 + 0 + 6 + 0 + 5 + 6 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4006056195 and 4006056204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006056221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74186200 + ... + 74186253.

It is an arithmetic number, because the mean of its divisors is an integer number (741862270).

Almost surely, 24006056231 is an apocalyptic number.

4006056231 is a deficient number, since it is larger than the sum of its proper divisors (1928841929).

4006056231 is a wasteful number, since it uses less digits than its factorization.

4006056231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148372462 (or 148372456 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4006056231 is about 63293.4138042814. The cubic root of 4006056231 is about 1588.2017869394.

The spelling of 4006056231 in words is "four billion, six million, fifty-six thousand, two hundred thirty-one".

Divisors: 1 3 9 27 148372453 445117359 1335352077 4006056231